21103610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 21298918

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 121, 163, 214, 242, 326, 535, 605, 815, 1070, 1177, 1210, 1630, 1793, 2354, 3586, 5885, 8965, 11770, 12947, 17441, 17930, 19723, 25894, 34882, 39446, 64735, 87205, 98615, 129470, 174410, 191851, 197230, 383702, 959255, 1918510, 2110361, 4220722, 10551805, 21103610]

約数ペア:

[(1, 21103610), (2, 10551805), (5, 4220722), (10, 2110361), (11, 1918510), (22, 959255), (55, 383702), (107, 197230), (110, 191851), (121, 174410), (163, 129470), (214, 98615), (242, 87205), (326, 64735), (535, 39446), (605, 34882), (815, 25894), (1070, 19723), (1177, 17930), (1210, 17441), (1630, 12947), (1793, 11770), (2354, 8965), (3586, 5885)]